Package io.jmix.ui.component.data

Interface ValueSource<V>

All Superinterfaces:

DataUnit

All Known Subinterfaces:

EntityValueSource<E,V>

All Known Implementing Classes:

ContainerValueSource

public interface ValueSource<V>
extends DataUnit

Data component holding a typed value.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	ValueSource.ValueChangeEvent<V>	An event that is fired when value of source is changed.

Nested classes/interfaces inherited from interface io.jmix.ui.component.data.DataUnit

DataUnit.StateChangeEvent

Method Summary

Modifier and Type	Method	Description
Subscription	addValueChangeListener(Consumer<ValueSource.ValueChangeEvent<V>> listener)	Registers a new value change listener.
Class<V>	getType()
V	getValue()
boolean	isReadOnly()
void	setValue(V value)

Methods inherited from interface io.jmix.ui.component.data.DataUnit

addStateChangeListener, getState

Method Details

getValue

@Nullable
V getValue()

setValue

void setValue(@Nullable
 V value)

isReadOnly

boolean isReadOnly()

getType

Class<V> getType()

Returns:

type of value

addValueChangeListener

Subscription addValueChangeListener(Consumer<ValueSource.ValueChangeEvent<V>> listener)

Registers a new value change listener.

Parameters:

listener - the listener to be added

Returns:

a registration object for removing an event listener added to a source